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Minerals studyguide

study guide for test wednesday in science 2013

QuestionAnswer
cleavage A mineral that splits easily and even along that surface has the property called cleavage.
fracture Describes how a mineral looks when it breaks apart in an irregular way.
streak the color of a mineral in a powder formsssssss
luster the term use to describe how light is reflected from a mineral's surface
Mohs hardiness scale ranks ten minerals from softest to hardest.
crystal the repeating pattern of a mineral's particles forms a solid called a crystal
element A substance composed of a single atome
fluoescence the way a mineral shines
geode a rounded, hollow rock that is often lined with mineral crystals.
crystallization the process by which atoms are arranged to forms a material with a crystal structure
solid a substance that keeps its shape because its particles cant flow freely
solution A mixture in which one substance dissolves in another
vein A narrow channel or slab of a mineral that is different from the surrounding rock
inorganic the mineral cannot form materials that were once part of a living thing.
igneous rock forms from cooling molten rock
metamorphic rock forms when existing rock is changed by heat and pressure or chemical reactions
sedimentary rock forms when particles of other rocks or remains of plants and animals are cemented together
texture look or feel of the rocks surface
banded has layers
nonbanded without layers
couarse grained large crystals in a rock
fined grained small crystals in a rock
extrusive igneous rock formed from lava onto earths surface
intrusive igneous rock formed from lava in earths surface
porphyry rock a rock with large crystals surrounded by small crystals
erosion process in which running water , wind , or ice loosen and carry away rock framents
deposition process by which sediments settles out of wind or water
compaction process that presses sediments together
cementation process in which dissolved minerals crysalize and glue particles of sediment together
clastic rock is a sedimentary rock that forms when rock fragments or particles
organic rock forms were the remains of plants and animals deposited into thick layers
chemical rock forms when minerals that are dissolved in a solution
foliated parallel grains
non foliated non parallel grains
Created by: krissykma11
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